| Specimen ID | 230019 |
| Group | Plants |
| Genus | Ludwigia |
| Species | grandiflora |
| Common Name | large-flower primrose-willow |
| State | SC |
| County | Berkeley |
| Locality | Cooper River and public rice fields adjacent to East and West Branches of the Cooper River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Cooper |
| HUC8 Number | 03050201 |
| HUC10 Name | Cooper River |
| HUC10 Number | 0305020107 |
| HUC12 Name | Upper Cooper River |
| HUC12 Number | 030502010705 |
| Map | |
| Collection Year | 1997 |
| Potential Pathway | unknown |
| Status | established |
| Freshwater/Marine | Freshwater |
